1 files changed, 80 insertions, 0 deletions
diff --git a/src/glut/glx/glut_joy.c b/src/glut/glx/glut_joy.c
new file mode 100644
index 00000000000..a7db032f534
--- /dev/null
+++ b/src/glut/glx/glut_joy.c
@@ -0,0 +1,80 @@
+
+/* Copyright (c) Mark J. Kilgard, 1997, 1998. */
+
+/* This program is freely distributable without licensing fees
+   and is provided without guarantee or warrantee expressed or
+   implied. This program is -not- in the public domain. */
+
+#ifdef _WIN32
+#include <windows.h>
+#include <mmsystem.h>  /* Win32 Multimedia API header. */
+#endif
+
+#include "glutint.h"
+
+/* CENTRY */
+void APIENTRY
+glutJoystickFunc(GLUTjoystickCB joystickFunc, int pollInterval)
+{
+#ifdef _WIN32
+  if (joystickFunc && (pollInterval > 0)) {
+    if (__glutCurrentWindow->entryState == WM_SETFOCUS) {
+      MMRESULT result;
+
+      /* Capture joystick focus if current window has
+  	 focus now. */
+      result = joySetCapture(__glutCurrentWindow->win,
+        JOYSTICKID1, 0, TRUE);
+      if (result == JOYERR_NOERROR) {
+        (void) joySetThreshold(JOYSTICKID1, pollInterval);
+      }
+    }
+    __glutCurrentWindow->joyPollInterval = pollInterval;
+  } else {
+    /* Release joystick focus if current window has
+       focus now. */
+    if (__glutCurrentWindow->joystick
+      && (__glutCurrentWindow->joyPollInterval > 0)
+      && (__glutCurrentWindow->entryState == WM_SETFOCUS)) {
+      (void) joyReleaseCapture(JOYSTICKID1);
+    }
+    __glutCurrentWindow->joyPollInterval = 0;
+  }
+  __glutCurrentWindow->joystick = joystickFunc;
+#else
+  /* XXX No support currently for X11 joysticks. */
+#endif
+}
+
+void APIENTRY
+glutForceJoystickFunc(void)
+{
+#ifdef _WIN32
+  if (__glutCurrentWindow->joystick) {
+    JOYINFOEX jix;
+    MMRESULT res;
+    int x, y, z;
+
+    /* Poll the joystick. */
+    jix.dwSize = sizeof(jix);
+    jix.dwFlags = JOY_RETURNALL;
+    res = joyGetPosEx(JOYSTICKID1,&jix);
+    if (res == JOYERR_NOERROR) {
+
+      /* Convert to int for scaling. */
+      x = jix.dwXpos;
+      y = jix.dwYpos;
+      z = jix.dwZpos;
+
+#define SCALE(v)  ((int) ((v - 32767)/32.768))
+
+      __glutCurrentWindow->joystick(jix.dwButtons,
+        SCALE(x), SCALE(y), SCALE(z));
+    }
+  }
+#else
+  /* XXX No support currently for X11 joysticks. */
+#endif
+}
+
+/* ENDCENTRY */